Cell-wall structural changes in wheat straw pretreated for bioethanol production |
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Authors: | Jan B Kristensen Lisbeth G Thygesen Claus Felby Henning Jørgensen Thomas Elder |
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Institution: | (1) Forest and Landscape Denmark, University of Copenhagen, Rolighedsvej 23, DK-1958 Frederiksberg, Denmark;(2) Utilization of Southern Forest Products, USDA-Forest Service, Southern Research Station, Shreveport Highway, Pineville, LA 71360, USA |
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Abstract: | Background Pretreatment is an essential step in the enzymatic hydrolysis of biomass and subsequent production of bioethanol. Recent results
indicate that only a mild pretreatment is necessary in an industrial, economically feasible system. The Integrated Biomass
Utilisation System hydrothermal pretreatment process has previously been shown to be effective in preparing wheat straw for
these processes without the application of additional chemicals. In the current work, the effect of the pretreatment on the
straw cell-wall matrix and its components are characterised microscopically (atomic force microscopy and scanning electron
microscopy) and spectroscopically (attenuated total reflectance Fourier transform infrared spectroscopy) in order to understand
this increase in digestibility. |
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Keywords: | |
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